/*
 *    Copyright 2011-2012 The Hook Team
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.hook.core.orm.mybatis;

import net.jcip.annotations.ThreadSafe;

import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource;

/**
 * @author suwuqiang 2011-8-18
 */
@ThreadSafe
public class DynamicDataSource extends AbstractRoutingDataSource {

	/*
	 * 返回RUTE后的数据源名称key
	 * 
	 * @see
	 * org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource#
	 * determineCurrentLookupKey()
	 */
	@Override
	protected Object determineCurrentLookupKey() {
		// service层显式调用MyBatisDataSourceContextHolder.setDataSourceType方法，决定当前线程所需要的dataSource
		return MyBatisDataSourceContextHolder.getDataSourceType();
	}

}
